1950s
| Year | Date | Event |
| 1950 | 26 January | India becomes a republic, being the first non-Commonwealth Realm member of the Commonwealth. |
| 4 February | The fourth British Empire Games open in Auckland, New Zealand. These would be the last under that name. | |
| 1951 | 4 January | The fifth Commonwealth Prime Ministers Conference convenes in London. |
| 28 July | The 1st Commonwealth Division is created to amalgamate Australian, British, Canadian, Indian, and New Zealand forces engaged in the Korean War. | |
| 1952 | 6 February | George VI dies, being succeeded as monarch of the Commonwealth Realms and Head of the Commonwealth by Elizabeth II. |
| 28 April | The British Commonwealth Occupation Force is officially disbanded, having transferred control of Far Eastern forces to British Commonwealth Forces Korea. | |
| 20 October | Sir Evelyn Baring, Governor of Kenya, declares a state of emergency, recognising the severity of the Mau Mau Uprising. | |
| 1953 | 3 June | The sixth Commonwealth Prime Ministers Conference convenes in London. |
| 1954 | 30 July | The British Empire Games are renamed the 'British Empire and Commonwealth Games', with the opening of the 1954 Games in Vancouver, Canada. |
| 1955 | 26 January | The seventh Commonwealth Prime Ministers Conference convenes in London. |
| 1956 | 27 June | The eighth Commonwealth Prime Ministers Conference convenes in London. |
| 1957 | 6 March | Ghana, previously the Gold Coast, joins the Commonwealth upon being granted independence by the United Kingdom, becoming the first majority-ruled African member. |
| 26 June | The ninth Commonwealth Prime Ministers Conference convenes in London. The new Canadian prime minister, John Diefenbaker, proposes the intensification of trade relations within the Commonwealth. His call for an Empire Trade Conference are resisted by the British government which has an eye towards the UK developing stronger trade relations with Europe and the newly formed European Economic Community. However, a Commonwealth Trade and Economic Conference is called for the next year. | |
| 31 August | The Federation of Malaya joins the Commonwealth upon being granted independence by the United Kingdom. It is the first monarchy in the Commonwealth except for the Commonwealth Realms. | |
| 1958 | 3 January | The Federation of the West Indies is formed from the British West Indies as a self-governing colony. |
| 30 July | The 1958 British Empire and Commonwealth Games open in Cardiff, the United Kingdom. | |
| 28 September | The Commonwealth Trade and Economic Conference concludes with a communique agreeing that the pound sterling should be made fully convertible and that trade barriers within the Commonwealth should be progressively removed |
Read more about this topic: Timeline Of Commonwealth Of Nations History